Meteorological day
Encyclopedia
A meteorological day refers to the 24-hour period in which all observations for the corresponding day occur. It often refers to the 08.00-08.00 time span (09.00 to 09.00 for summer time
). Frequently, though, the corresponding time span is from midnight to midnight (01.00-01.00 during daylight savings/summer time).
Daily minimum temperature observations often refer to the 18.00-06.00 (local time) span. That is the case, for instance, in the United Kingdom
.
Daily maximum temperature observations often refer to the 06.00-18.00 (local time) span. That is the case, again, in the United Kingdom
.
Daily precipitation observations often refer to the 06.00-06.00 local time span.
Daylight saving time
Daylight saving time —also summer time in several countries including in British English and European official terminology —is the practice of temporarily advancing clocks during the summertime so that afternoons have more daylight and mornings have less...
). Frequently, though, the corresponding time span is from midnight to midnight (01.00-01.00 during daylight savings/summer time).
Daily minimum temperature observations often refer to the 18.00-06.00 (local time) span. That is the case, for instance, in the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
.
Daily maximum temperature observations often refer to the 06.00-18.00 (local time) span. That is the case, again, in the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
.
Daily precipitation observations often refer to the 06.00-06.00 local time span.